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WO2007128544A1 - Système d'automatisation à protection d'accès pour les paramètres mémorisés dans des appareils de terrain - Google Patents

Système d'automatisation à protection d'accès pour les paramètres mémorisés dans des appareils de terrain Download PDF

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Publication number
WO2007128544A1
WO2007128544A1 PCT/EP2007/004008 EP2007004008W WO2007128544A1 WO 2007128544 A1 WO2007128544 A1 WO 2007128544A1 EP 2007004008 W EP2007004008 W EP 2007004008W WO 2007128544 A1 WO2007128544 A1 WO 2007128544A1
Authority
WO
WIPO (PCT)
Prior art keywords
access protection
field devices
activation
access
deactivation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2007/004008
Other languages
German (de)
English (en)
Inventor
Martin Augustin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2007128544A1 publication Critical patent/WO2007128544A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
    • G05B19/4186—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by protocol, e.g. MAP, TOP
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428—Safety, monitoring
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24167—Encryption, password, user access privileges
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25428—Field device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31104—Remote configuration of parameters of controlled devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31121—Fielddevice, field controller, interface connected to fieldbus
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36542—Cryptography, encrypt, access, authorize with key, code, password
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to an automation system with a plurality of locally distributed in a system field devices, which are connected via a communication system with an input means having Leit- and / or engineering system, wherein at least a part of the field devices has adjustable device parameters and at least a part of this Field devices an access protection for at least a part of the device parameters can be activated and deactivated via the communication interfaces of the relevant field devices to the communication system.
  • field devices In automation systems for technical or industrial plants, eg. As the process industry, production and manufacturing industry, building technology or network technology, run in the relevant system locally distributed, decentralized field devices (process devices) given functions in the context of plant automation and exchange process, plant and / or equipment relevant information with each other but always with higher-level components of the automation system, in particular its control or engineering system.
  • Field devices include transmitters for pressure, temperature, flow, level, etc., analyzers for gas or liquid analysis, weighing systems, actuators, valve positioners, other distributed controllers, and frequency converters for electric motor drives.
  • the field devices in the decentralized peripheral area possibly together with decentralized control and regulation and operation and observation, via field buses or other communication paths are interconnected, with different fieldbuses are connected to each other via bus coupler.
  • the field buses can turn via control devices such.
  • B. programmable programmable logic controllers be connected to a central plant bus, on which the Leit- or En- gineering system, so the central control, regulation, operation and observation, is connected.
  • Field devices usually have adjustable device parameters such. Eg limit values for alarms or warnings, calibration curves, parameters in evaluation algorithms for signal processing, etc. These parameters are usually set in the commissioning phase and stored in the field devices. Per device, these are between 10 and up to 1000 and more parameters. During normal plant operation, these settings are usually not changed, but only during maintenance, such as during maintenance. In device replacement, or changes in process conditions.
  • the device parameters can be set in different ways, for example by wireless or wired on-site operation with a programming device, via input means, such as a button panel, directly on the field device and / or by means of special software programs running on a host computer. Computer are installed and communicate via the communication interface of the field device with this.
  • the device parameters are at their input or change via display means, for. B. on the programmer or the field device, visualized, via the display means usually also other device and system information such. B. process measurements, can be displayed.
  • Some field devices have an access protection that requires the entry of a password. For example, a PIN number is also required - requires settings to be made or changed on the device. This access protection can also be deactivated on most devices so that changing device parameters is always possible.
  • the devices may behave very differently depending on the device type or manufacturer. So z. B. a password can be entered directly via the input means on the device, whereupon via the display means additional dialogs with critical settings are activated.
  • Other field devices use special telegrams for communication via the communication interface, which contain a user-specific password that must be transmitted with each write request.
  • the structure of the password differs from device to device.
  • the password z. Example be a two-digit numeric code that is firmly implemented in the firmware of the device and not changeable, but also consist of a sequence of arbitrary ASCII characters.
  • the invention is therefore based on the object of enabling an effective and easily activatable or deactivatable access protection for device parameters of field devices in an automation system by simple means.
  • the object is achieved in that in the automation system of the type specified, the input means of the control and / or engineering system for inputting an access protection activation or deactivation command are formed and that the control and / or engineering system is configured to activate or deactivate access protection to all relevant field devices in response to the one access protection activation or deactivation command.
  • the access protection for the device parameters can be individually switched on or off individually by means of the device-specific method provided for each individual field device, for example by entering a password directly via the input device on the device.
  • the access protection on the devices is provided with a password required for deactivation to prevent unauthorized persons from being able to remove the access protection from anywhere in the communication system via the communication interfaces of the devices.
  • the password can be made by the person acting on the control and / or engineering system and thus entitled
  • the control and / or engineering system sends the access protection activation command and password to all concerned in response to the one access protection activation command Field devices off.
  • the password is stored in the field devices in order to allow authorized access to the device parameters and later deactivation of the access protection.
  • the parameterization frames are transmitted via the acyclic channel from class 2 master to the field devices.
  • the parameter data is normally distributed over different data sets. If the access protection is now activated, according to the invention, in addition to the parameterization telegrams, one must also enter
  • Password record sent to the field device which contains the password encrypted.
  • the device compares the incoming password with the stored password. If the passwords match, the parameter data sets are adopted; if they are different, the data records are rejected with the output of a corresponding error code.
  • the password record is used to send the access protection activation command, for example in the form of a single activation bit, to the devices. The devices then activate their access protection and save the password permanently in device-internal memories. If the access protection is to be deactivated, the access data deactivation command, eg. A single deactivation bit, and the password sent to all devices. The devices compare the incoming password with the stored passwords and deactivate the access protection if they match. In this way, field devices, too different manufacturers, to be protected with the same password.
  • the password can be associated with device identifiers contained in a data management of the control and / or engineering system, for example the tag name of the device, device-specifically, in particular encrypted, and sent to the field devices. In this way, the user assigns only one password for all field devices, but this is encrypted differently for each device and stored.
  • a joint activation or deactivation of the access protection is achieved by providing device-specific software for at least part of the respective field devices is that provides an activation or deactivation method for the access protection via an externally visible interface, and that the guidance and / or engineering system is configured to respond in response to the access protection activation or activation. Deactivation command to use and execute the activation / deactivation methods provided.
  • the device-specific software can be, for example, drivers such as Device Type Manager (DTM), Field Device Tool (FTD) or an electronic device description (EDD) that is stored in the data management of the control and / or engineering system ,
  • DTM Device Type Manager
  • FDD Field Device Tool
  • EDD electronic device description
  • the routing and / or engineering system searches for and executes existing activation / deactivation methods in response to the access protection activation / deactivation command. Because z. For example, if only the device EDDs need to be extended by this special function, existing field devices can easily be extended by this system function without firmware changes.
  • an access lock in a data management of the control and / or engineering system can be activated in response to the one access protection activation or deactivation command or deactivated, wherein the control and / or engineering system blocks access to the device parameters when the access lock is activated in the data management.
  • the relevant field devices behave like devices with access protection in relation to their communication interfaces.
  • the devices concerned can be reprogrammed unprotected via a possibly existing local control.
  • the control and / or engineering system preferably has a graphical user interface, in particular designed according to the standard guidelines of Microsoft Windows, in which the access protection activation or deactivation command can be selected, for example, by clicking on a control panel.
  • the access protection activation or deactivation command can be integrated in a view of the user interface serving for parameterizing the field devices.
  • the inventive access protection for field devices with display means advantageously also extends to the display of predetermined, in particular confidential, plant and / or device-specific information.
  • FIG. 1 is a block diagram of an automation system and FIG. 2 shows an example of a user interface for entering the access protection activation or deactivation command.
  • FIG. 1 shows, in a simplified schematic representation, an example of a process automation system with field devices 1, 2, 3, 4, which perform predetermined measuring, control and regulating functions in a process to be controlled and / or regulated and in so doing use a communication system 5.
  • the field devices 1, 2, 3, 4 via a field bus 6, z. B. to the PROFIBUS standard, to programmable controllers 7 and 8, z. B. programmable logic controllers (PLC), connected, which in turn are connected via a central system bus 9 with a parent control and engineering system 10, 11.
  • the control and engineering system 10, 11 has a data storage 12, in the u. a. the behavior and properties of the field devices 1, 2, 3, 4 z. B. in the form of electronic device descriptions (Electronic Device Description) is stored.
  • Such an automation system can basically have a different number of automation levels in which the individual components of the automation system are arranged and communicate with one another via a communication system consisting of different communication paths.
  • the field devices 1, 2, 3, 4 have input means 13 for entering and changing device parameters and for interrogating device and device
  • Process information such as device parameters and process readings.
  • the relevant information is visualized via display means 14.
  • the input and display can also be via portable control units 15 or other programming means, eg. As a Process Device Manager (PDM) 16, take place.
  • PDM Process Device Manager
  • Confidential information and security-relevant device parameters contained in the process devices 1, 2, 3, 4 are provided with a confidentiality identifier and can only be displayed or changed as a function of the entry of a password.
  • the input of the password can be done via the device's own input means 13, the portable device 15 or in the context of data transmission via the communication interface of the device 1, 2, 3, 4 to the communication system 5.
  • the entry of a single access protection activation command to the control or engineering system 10, 11 allows the simultaneous activation of access protection on all field devices 1, 2, 3, 4.
  • an access protection Activation command sent together with a password to the devices the electronic device descriptions in the data storage 12 for the identification and execution of the device-specific access protection methods used or activated an access lock in the data storage 12, which for the control or engineering systems 10, 11 and all Components of the automation system, which communicate with the field devices 1, 2, 3, 4 via the control or engineering system 10, 11, block access to the device parameters.
  • the overall interlocking of the field devices 1, 2, 3, 4 can be canceled by a single access protection deactivation command on the control or engineering system 10, 11.
  • the total unlocking is protected by a password, which is assigned automatically by the operating personnel of the control or engineering system 10, 11 or by this in the overall lock.
  • FIG. 2 shows, by way of example, a graphical Windows user interface of the control or engineering system 10, 11 for entering the access protection activation or deactivation command by clicking on the control panels "Devices”. lock ... "or” Unlock devices ... "and subsequent password entry.
  • the user achieves a significant improvement in the access protection of his installation. Contrary to previous practice, the access protection is no longer switched off due to lack of manageability, but activated with a "mouse click" for the complete automation system. Parameters can then only be changed by authorized personnel.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Safety Devices In Control Systems (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

La présente invention concerne un système d'automatisation dans lequel de nombreux appareils de terrain (1, 2, 3, 4) sont répartis localement dans une installation à automatiser et sont reliés par un système de communication (5) à un système d'ingénierie et/ou de guidage (10, 11). Les appareils de terrain (1, 2, 3, 4) possèdent des paramètres d'appareil réglables avec lesquels, pour au moins une partie de ces appareils de terrain (1, 2, 3, 4), une protection d'accès est activable ou désactivable par les interfaces de communication des appareils de terrain (1, 2, 3, 4) concernés. Pour permettre une protection d'accès efficace sur toute l'installation pour les paramètres d'appareil, le système d'ingénierie et/ou de guidage (10, 11) est conçu pour la saisie d'une instruction d'activation ou de désactivation de la protection d'accès, la protection d'accès étant activée ou désactivée en réaction à l'instruction d'activation ou de désactivation de la protection d'accès sur tous les appareils de terrain (1, 2, 3, 4) concernés.
PCT/EP2007/004008 2006-05-05 2007-05-07 Système d'automatisation à protection d'accès pour les paramètres mémorisés dans des appareils de terrain Ceased WO2007128544A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006021054.9 2006-05-05
DE102006021054 2006-05-05

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Publication Number Publication Date
WO2007128544A1 true WO2007128544A1 (fr) 2007-11-15

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008010864A1 (de) * 2008-02-25 2009-08-27 Endress + Hauser Process Solutions Ag Verfahren zum Betreiben eines Feldgerätes
EP2211244A3 (fr) * 2009-01-21 2011-03-09 Fisher-Rosemount Systems, Inc. Modules de sécurité amovibles et procédés correspondants
DE102012109348A1 (de) * 2012-10-02 2014-04-03 Endress + Hauser Process Solutions Ag Verfahren zum sicheren Bedienen eines Feldgerätes
DE102013111690A1 (de) * 2013-10-23 2015-05-07 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Verfahren zum Bereitstellen von limitierten Zugangsschlüsseln für Feldgeräte
WO2017065892A1 (fr) * 2015-10-12 2017-04-20 Dresser, Inc. Contrôle de fonctionnalité d'un dispositif
DE102015121861A1 (de) * 2015-12-15 2017-06-22 Endress + Hauser Flowtec Ag Zugangsschlüssel für ein Feldgerät
DE102018118531A1 (de) * 2018-07-31 2020-02-06 Endress+Hauser SE+Co. KG Feldgerät der Automatisierungstechnik mit multiplen Parametersätzen

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WO2000070417A1 (fr) * 1999-05-17 2000-11-23 The Foxboro Company Systeme de configuration de commande de processus via des objets parametres
DE10144971A1 (de) * 2001-09-12 2003-03-27 Endress & Hauser Gmbh & Co Kg Verfahren zur Sicherung des Datenaustauschs zwischen einer externen Zugriffseinheit und einem Feldgerät
WO2004006031A1 (fr) * 2002-07-02 2004-01-15 Endress + Hauser Process Solutions Ag Procede pour proteger un acces non autorise a un dispositif de terrain dans la technique d'automatisation de processus
DE102005014050A1 (de) * 2005-03-23 2006-09-28 Endress + Hauser Process Solutions Ag Verfahren zum sicheren Bedienen eines Feldgerätes der Automatisierungstechnik

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070417A1 (fr) * 1999-05-17 2000-11-23 The Foxboro Company Systeme de configuration de commande de processus via des objets parametres
DE10144971A1 (de) * 2001-09-12 2003-03-27 Endress & Hauser Gmbh & Co Kg Verfahren zur Sicherung des Datenaustauschs zwischen einer externen Zugriffseinheit und einem Feldgerät
WO2004006031A1 (fr) * 2002-07-02 2004-01-15 Endress + Hauser Process Solutions Ag Procede pour proteger un acces non autorise a un dispositif de terrain dans la technique d'automatisation de processus
DE102005014050A1 (de) * 2005-03-23 2006-09-28 Endress + Hauser Process Solutions Ag Verfahren zum sicheren Bedienen eines Feldgerätes der Automatisierungstechnik

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008010864A1 (de) * 2008-02-25 2009-08-27 Endress + Hauser Process Solutions Ag Verfahren zum Betreiben eines Feldgerätes
US9141106B2 (en) 2008-02-25 2015-09-22 Endress + Hauser Process Solutions Ag Method for operating a field device
EP2211244A3 (fr) * 2009-01-21 2011-03-09 Fisher-Rosemount Systems, Inc. Modules de sécurité amovibles et procédés correspondants
US8977851B2 (en) 2009-01-21 2015-03-10 Fisher-Rosemount Systems, Inc. Removable security modules and related methods
DE102012109348A1 (de) * 2012-10-02 2014-04-03 Endress + Hauser Process Solutions Ag Verfahren zum sicheren Bedienen eines Feldgerätes
DE102013111690A1 (de) * 2013-10-23 2015-05-07 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Verfahren zum Bereitstellen von limitierten Zugangsschlüsseln für Feldgeräte
WO2017065892A1 (fr) * 2015-10-12 2017-04-20 Dresser, Inc. Contrôle de fonctionnalité d'un dispositif
US9946868B2 (en) 2015-10-12 2018-04-17 Dresser, Inc. Device functionality control
DE102015121861A1 (de) * 2015-12-15 2017-06-22 Endress + Hauser Flowtec Ag Zugangsschlüssel für ein Feldgerät
US10846379B2 (en) 2015-12-15 2020-11-24 Endress+Hauser Flowtec Ag Access key for a field device
DE102018118531A1 (de) * 2018-07-31 2020-02-06 Endress+Hauser SE+Co. KG Feldgerät der Automatisierungstechnik mit multiplen Parametersätzen
US11543790B2 (en) 2018-07-31 2023-01-03 Endress+Hauser SE+Co. KG Automation engineering field device with multiple parameter sets

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